How to check for null/empty/whitespace values with a single test?

How to check for null/empty/whitespace values with a single test?

sql oracle oracle10g

sql

CASE .. WHEN expression in Oracle SQL

sql oracle oracle10g

sql

Is it possible to output a SELECT statement from a PL/SQL block?

sql oracle plsql oracle10g oracle-apex

sql

PL/SQL block problem: No data found error

sql oracle plsql oracle10g ora-01403

sql

Best way to reset an Oracle sequence to the next value in an existing column?

sql oracle oracle10g primary-key sequence

sql

How to use BOOLEAN type in SELECT statement

sql oracle plsql oracle10g ora-00904

sql

Different CURRENT_TIMESTAMP and SYSDATE in oracle

sql oracle plsql oracle10g

sql

Oracle date "Between" Query

sql oracle oracle10g where-clause date-arithmetic

sql

If statement in select (ORACLE)

sql oracle select if-statement oracle10g

sql

How to kill a running SELECT statement

sql oracle select oracle10g sqlplus

sql

Oracle - Why does the leading zero of a number disappear when converting it TO_CHAR

sql oracle oracle10g

sql

How to count the number of occurrences of a character in an Oracle varchar value?

sql oracle count oracle10g

sql

BETWEEN clause versus <= AND >=

sql performance oracle oracle10g oracle11g

sql

How to insert date values into table

sql oracle datetime oracle10g date-formatting

sql

Execute Immediate within a stored procedure keeps giving insufficient priviliges error

sql stored-procedures oracle10g privileges

sql